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Rare exoplanet 43 EP

Kepler-80 c

RA 296.1126° · Dec 39.9787° · exoplanet

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Score breakdown

· 6 badges
43 pts · Rare
Rare 50 pts → Epic
  • Richly packed system +14
  • Tidally locked +10
  • Distant (over 1,000 light-years) +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
  • Found by Kepler +3
Total score 43

7 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Sub-Neptune · +5
  • Tidally locked · +10
  • Richly packed system · +14
  • Found by Kepler · +3

Trivia

What it actually is

  • Hugging its star. It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.
  • What it is made of. Lighter than Neptune — a puffed-up ball of hydrogen and helium with no surface anywhere on it to stand on.
  • Crowded system. One of at least 6 planets orbiting its star.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 15.2 it is far too faint for the eye: this one belongs to cameras and long exposures.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Properties

density gcc
1.22
diameter km
34951.988
discovery facility
Kepler
discovery method
Transit
discovery year
2012
dist ly
1204.9866
eccentricity
0.0079
eq temp k
495
host star teff
4540
inclination
89.33
insolation
36.482
mag
15.23
mass earth
6.74
name
Kepler-80 c
orbital period days
9.5236
radius earth
2.74
semi major au
0.0792
spect
K5
sys num planets
6
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About Kepler-80 c

Kepler-80 c is a rare exoplanet. It lies about 1,205 light-years from Earth, shines at apparent magnitude 15.23, has spectral type K5 and has an equilibrium temperature near 495 K.

It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.

How to see it

At apparent magnitude 15.23, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-80 c is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why Kepler-80 c is a rare exoplanet

Kepler-80 c scores 43 points on Spacedle's rarity scale, which places it in the rare tier. Another 7 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Sub-Neptune, Tidally locked, Richly packed system and Found by Kepler — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.